Rose and her mother arrive at the hotel to evaluate a prospective marriage with Lucian, the war veteran son of the hotel's proprietors. Lucian's mother, Bella, finds herself vulnerable to extortion from a local politician.

Cecil arranges for a family heirloom to be sent from England for authentication. Bella is horrified when he also invites her blackmailer, Signor Danioni, for tea. Lucian gives Rose a painting lesson on the beach with an unfortunate outcome.

Lucian and his friend, Nish, run into trouble with Danioni's Blackshirts. Constance is encouraged to make more of her appearance by the hotel's most worldly guest, Claudine Pascal, while Bella throws a tea party for the locals.

Nish has an epiphany as he and Lucian escape arrest at Danioni's behest. Constance catches Lucian's eye on a boat trip but sees more than she bargained for in return. Bella stands up to Danioni, who hands over a compromising letter to her husband.

The police search for the missing heirloom, and suspicion falls on an absent guest and the bellhop, Billy, who has also hidden political pamphlets at Nish's behest. The search culminates in a confrontation between Cecil and Jack.

The mystery of the missing heirloom is resolved as Cecil makes a surprising discovery about Danioni. Lucian acknowledges his true feelings until a secret from Constance's past is unveiled, forcing him to decide on his prospective engagement to Rose.

Bella's plans to build a spa in the basement are running over budget while she deals with an unexpected and unwelcome return from someone closer to home. Meanwhile, the hotel is facing an anonymous inspection from an influential travel guide.

As Cecil tries to buy his way back into Bella's affections, Lucian and Constance acknowledge their mutual attraction. Elsewhere, Nish overcomes his qualms to help Gianluca strike a blow against Mussolini's Fascists with disastrous results.

Cecil becomes embroiled with gangsters who have taken over the local casino. With Nish on the run and now being hunted by Danioni, Bella and Lucian must help him avoid arrest. And emotions between Lucian and Constance come to a head.

Alice returns with her new fiance and Rose turns up with a plan to win back Lucian. Cecil schemes to take control of the Hotel from Bella and drive a wedge between her and Marco, while Bella thinks she has discovered the inspector's identity.

Bella schemes to thwart Cecil's plans of taking over the hotel, and she helps get Nish to safety while arranging a rendezvous with an old flame. Rose's attempts to reconcile with Lucian end in disaster, forcing Bella to intervene.

Bella must act decisively to salvage her investment in the Hotel Portofino, but at what cost to her relationships and her children? Just when things seem to be going Bella's way, tragedy strikes with fatal consequences for one member of the family.

Whilst preparing for the arrival of her father and sister, Bella is stunned when Cecil arrives and asks her for a divorce. A shocked Alice bumps into Carlo, who is with another woman. Constance meets charming local Vito.

Bella is shocked when Marco proposes and finally tells her family about her divorce. Constance tells Vito about Tommy and Alice is hurt when Carlo rejects her. Meanwhile, Lucian and Billy return to Portofino with a visitor.

Bella is thrilled at Lucian's return, but he is cold with Constance. George threatens to withdraw money from the hotel, so Bella begins a new business. Cecil and Bella start to build bridges but get some shocking news.

Worried about losing the hotel, Bella tries to get her new business started. Meanwhile, after fuming at Danioni, Cecil is visited by a past enemy. As Alice tries to conquer her fear of horses, Lucian realizes he loves Constance, but is it too late?

After Nish is found dead, Lucian begs Constance to run away together. Alice proves her love to Carlo but realizes he's been manipulating her. As Bella opens up to Amelia about Marco, Cecil and Jack agree to a deadly plan.

During Claudine's perfume launch, Bella fights to get the business grant she needs. As Lucian and Constance get ready to run away, Cecil's plan to kill Danioni fails, but a shocking move by Virat brings havoc.